US6215686B1 - Memory system with switching for data isolation - Google Patents
Memory system with switching for data isolation Download PDFInfo
- Publication number
- US6215686B1 US6215686B1 US09/384,471 US38447199A US6215686B1 US 6215686 B1 US6215686 B1 US 6215686B1 US 38447199 A US38447199 A US 38447199A US 6215686 B1 US6215686 B1 US 6215686B1
- Authority
- US
- United States
- Prior art keywords
- memory
- memory module
- pins
- couple
- signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/02—Disposition of storage elements, e.g. in the form of a matrix array
- G11C5/04—Supports for storage elements, e.g. memory modules; Mounting or fixing of storage elements on such supports
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
- G11C7/1066—Output synchronization
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/955—Electrical connectors including electronic identifier or coding means
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Abstract
Description
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/384,471 US6215686B1 (en) | 1999-02-09 | 1999-08-27 | Memory system with switching for data isolation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/247,256 US6115278A (en) | 1999-02-09 | 1999-02-09 | Memory system with switching for data isolation |
US09/384,471 US6215686B1 (en) | 1999-02-09 | 1999-08-27 | Memory system with switching for data isolation |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/247,256 Division US6115278A (en) | 1999-02-09 | 1999-02-09 | Memory system with switching for data isolation |
Publications (1)
Publication Number | Publication Date |
---|---|
US6215686B1 true US6215686B1 (en) | 2001-04-10 |
Family
ID=22934237
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/247,256 Expired - Lifetime US6115278A (en) | 1999-02-09 | 1999-02-09 | Memory system with switching for data isolation |
US09/384,471 Expired - Lifetime US6215686B1 (en) | 1999-02-09 | 1999-08-27 | Memory system with switching for data isolation |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/247,256 Expired - Lifetime US6115278A (en) | 1999-02-09 | 1999-02-09 | Memory system with switching for data isolation |
Country Status (1)
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US (2) | US6115278A (en) |
Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020004893A1 (en) * | 2000-01-25 | 2002-01-10 | Nai-Shung Chang | Feedback system for accomodating different memory module loading |
US6466472B1 (en) * | 2001-04-13 | 2002-10-15 | Giga-Byte Technology Co., Ltd. | Common module for DDR SDRAM and SDRAM |
DE10120418A1 (en) * | 2001-04-26 | 2002-11-07 | Giga Byte Technology Co | Common module for DDR SDRAM and SDRAM, has terminators connected to common module to output termination voltage and controller to transmit common/address and data signals to common module |
US20030206164A1 (en) * | 2002-05-01 | 2003-11-06 | Juenger Randall E. | Dynamic switching of parallel termination for power management with DDR memory |
US6665736B1 (en) * | 2000-04-13 | 2003-12-16 | Acer Laboratories, Inc. | Computer motherboard for supporting various memories |
US6741497B2 (en) * | 2001-08-30 | 2004-05-25 | Micron Technology, Inc. | Flash memory with RDRAM interface |
US6771553B2 (en) | 2001-10-18 | 2004-08-03 | Micron Technology, Inc. | Low power auto-refresh circuit and method for dynamic random access memories |
US20040184324A1 (en) * | 2002-06-07 | 2004-09-23 | Pax George E | Reduced power registered memory module and method |
US20050094425A1 (en) * | 2003-10-30 | 2005-05-05 | Mike Cogdill | Double-high memory ststem compatible with termination schemes for single-high memory systems |
US20060026349A1 (en) * | 2004-07-30 | 2006-02-02 | International Business Machines Corporaiton | System, method and storage medium for providing a serialized memory interface with a bus repeater |
US20060023482A1 (en) * | 2004-07-30 | 2006-02-02 | International Business Machines Corporation | 276-Pin buffered memory module with enhanced fault tolerance |
US20060036826A1 (en) * | 2004-07-30 | 2006-02-16 | International Business Machines Corporation | System, method and storage medium for providing a bus speed multiplier |
US20060095629A1 (en) * | 2004-10-29 | 2006-05-04 | International Business Machines Corporation | System, method and storage medium for providing a service interface to a memory system |
US20060095646A1 (en) * | 2004-10-29 | 2006-05-04 | International Business Machines Corporation | System, method and storage medium for a memory subsystem command interface |
US20060095701A1 (en) * | 2004-10-29 | 2006-05-04 | International Business Machines Corporation | System, method and storage medium for a memory subsystem with positional read data latency |
US20060107186A1 (en) * | 2004-10-29 | 2006-05-18 | International Business Machines Corporation | System, method and storage medium for providing a high speed test interface to a memory subsystem |
US20060117233A1 (en) * | 2004-10-29 | 2006-06-01 | International Business Machines Corporation | System, Method and storage medium for testing a memory module |
US20070101086A1 (en) * | 2005-10-31 | 2007-05-03 | International Business Machines Corporation | System, method and storage medium for deriving clocks in a memory system |
US20070160053A1 (en) * | 2005-11-28 | 2007-07-12 | Coteus Paul W | Method and system for providing indeterminate read data latency in a memory system |
US20070218741A1 (en) * | 2006-03-16 | 2007-09-20 | Lenovo Pte. Ltd. | Apparatus and method for component module insertion and removal protection |
US7277988B2 (en) | 2004-10-29 | 2007-10-02 | International Business Machines Corporation | System, method and storage medium for providing data caching and data compression in a memory subsystem |
US20070276976A1 (en) * | 2006-05-24 | 2007-11-29 | International Business Machines Corporation | Systems and methods for providing distributed technology independent memory controllers |
US20070276977A1 (en) * | 2006-05-24 | 2007-11-29 | International Business Machines Corporation | Systems and methods for providing memory modules with multiple hub devices |
US7305574B2 (en) | 2004-10-29 | 2007-12-04 | International Business Machines Corporation | System, method and storage medium for bus calibration in a memory subsystem |
US20070288707A1 (en) * | 2006-06-08 | 2007-12-13 | International Business Machines Corporation | Systems and methods for providing data modification operations in memory subsystems |
US20070300129A1 (en) * | 2004-10-29 | 2007-12-27 | International Business Machines Corporation | System, method and storage medium for providing fault detection and correction in a memory subsystem |
US20080005479A1 (en) * | 2006-05-22 | 2008-01-03 | International Business Machines Corporation | Systems and methods for providing remote pre-fetch buffers |
US20080034148A1 (en) * | 2006-08-01 | 2008-02-07 | International Business Machines Corporation | Systems and methods for providing performance monitoring in a memory system |
US20080040563A1 (en) * | 2006-08-10 | 2008-02-14 | International Business Machines Corporation | Systems and methods for memory module power management |
US20080040562A1 (en) * | 2006-08-09 | 2008-02-14 | International Business Machines Corporation | Systems and methods for providing distributed autonomous power management in a memory system |
US20080094811A1 (en) * | 2006-10-23 | 2008-04-24 | International Business Machines Corporation | High density high reliability memory module with a fault tolerant address and command bus |
US20080115137A1 (en) * | 2006-08-02 | 2008-05-15 | International Business Machines Corporation | Systems and methods for providing collision detection in a memory system |
US20080133797A1 (en) * | 2004-07-30 | 2008-06-05 | International Business Machines Corporation | System, method and storage medium for a multi-mode memory buffer device |
US20080162991A1 (en) * | 2007-01-02 | 2008-07-03 | International Business Machines Corporation | Systems and methods for improving serviceability of a memory system |
US20080183903A1 (en) * | 2007-01-29 | 2008-07-31 | International Business Machines Corporation | Systems and methods for providing dynamic memory pre-fetch |
US7490217B2 (en) | 2006-08-15 | 2009-02-10 | International Business Machines Corporation | Design structure for selecting memory busses according to physical memory organization information stored in virtual address translation tables |
US20090119114A1 (en) * | 2007-11-02 | 2009-05-07 | David Alaniz | Systems and Methods for Enabling Customer Service |
US7539800B2 (en) | 2004-07-30 | 2009-05-26 | International Business Machines Corporation | System, method and storage medium for providing segment level sparing |
US7539842B2 (en) | 2006-08-15 | 2009-05-26 | International Business Machines Corporation | Computer memory system for selecting memory buses according to physical memory organization information stored in virtual address translation tables |
US7606988B2 (en) | 2007-01-29 | 2009-10-20 | International Business Machines Corporation | Systems and methods for providing a dynamic memory bank page policy |
US20090300260A1 (en) * | 2008-05-28 | 2009-12-03 | Rambus Inc. | Selective switching of a memory bus |
US20100191880A1 (en) * | 2004-03-08 | 2010-07-29 | Samsung Electronics Co., Ltd. | Memory module capable of improving the integrity of signals transmitted through a data bus and a command/address bus, and a memory system including the same |
US20100269012A1 (en) * | 2006-10-23 | 2010-10-21 | International Business Machines Corporation | High Density High Reliability Memory Module with Power Gating and a Fault Tolerant Address and Command Bus |
US7868651B1 (en) | 2009-12-08 | 2011-01-11 | International Business Machines Corporation | Off-die termination of memory module signal lines |
US7868652B1 (en) | 2009-12-08 | 2011-01-11 | International Business Machines Corporation | Off-die termination module with a spring loaded pin in a DIMM socket |
Families Citing this family (33)
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US6914905B1 (en) | 2000-06-16 | 2005-07-05 | Extreme Networks, Inc. | Method and system for VLAN aggregation |
US6510100B2 (en) * | 2000-12-04 | 2003-01-21 | International Business Machines Corporation | Synchronous memory modules and memory systems with selectable clock termination |
US6912592B2 (en) * | 2001-01-05 | 2005-06-28 | Extreme Networks, Inc. | Method and system of aggregate multiple VLANs in a metropolitan area network |
US6721185B2 (en) * | 2001-05-01 | 2004-04-13 | Sun Microsystems, Inc. | Memory module having balanced data I/O contacts pads |
DE10122701A1 (en) * | 2001-05-10 | 2002-11-21 | Infineon Technologies Ag | circuit module |
US6918078B2 (en) * | 2001-07-23 | 2005-07-12 | Intel Corporation | Systems with modules sharing terminations |
US6711027B2 (en) * | 2001-07-23 | 2004-03-23 | Intel Corporation | Modules having paths of different impedances |
US6771515B2 (en) * | 2001-07-23 | 2004-08-03 | Intel Corporation | Systems having modules with on die terminations |
US6631083B2 (en) | 2001-07-23 | 2003-10-07 | Intel Corporation | Systems with modules and clocking therefore |
US6674648B2 (en) * | 2001-07-23 | 2004-01-06 | Intel Corporation | Termination cards and systems therefore |
US6674649B2 (en) * | 2001-07-23 | 2004-01-06 | Intel Corporation | Systems having modules sharing on module terminations |
US6724082B2 (en) | 2001-07-23 | 2004-04-20 | Intel Corporation | Systems having modules with selectable on die terminations |
US6538951B1 (en) * | 2001-08-30 | 2003-03-25 | Micron Technology, Inc. | Dram active termination control |
KR100429878B1 (en) * | 2001-09-10 | 2004-05-03 | 삼성전자주식회사 | Memory module and printed circuit board for the same |
US8837161B2 (en) * | 2002-07-16 | 2014-09-16 | Nvidia Corporation | Multi-configuration processor-memory substrate device |
JP4233360B2 (en) * | 2003-03-07 | 2009-03-04 | 三菱電機株式会社 | Printed circuit board for high-speed communication |
US7149841B2 (en) * | 2003-03-31 | 2006-12-12 | Micron Technology, Inc. | Memory devices with buffered command address bus |
TW585384U (en) * | 2003-06-12 | 2004-04-21 | Via Tech Inc | Motherboard |
US20060118950A1 (en) * | 2003-07-03 | 2006-06-08 | Smart Modular Technologies, Inc., A California Corporation | Multi function module |
US8250295B2 (en) | 2004-01-05 | 2012-08-21 | Smart Modular Technologies, Inc. | Multi-rank memory module that emulates a memory module having a different number of ranks |
US7289386B2 (en) | 2004-03-05 | 2007-10-30 | Netlist, Inc. | Memory module decoder |
US7916574B1 (en) | 2004-03-05 | 2011-03-29 | Netlist, Inc. | Circuit providing load isolation and memory domain translation for memory module |
US8040710B2 (en) * | 2007-05-31 | 2011-10-18 | Qimonda Ag | Semiconductor memory arrangement |
TWI352357B (en) * | 2007-06-05 | 2011-11-11 | Asustek Comp Inc | Motherboard and memory device thereof |
US8516185B2 (en) | 2009-07-16 | 2013-08-20 | Netlist, Inc. | System and method utilizing distributed byte-wise buffers on a memory module |
US8417870B2 (en) | 2009-07-16 | 2013-04-09 | Netlist, Inc. | System and method of increasing addressable memory space on a memory board |
US8154901B1 (en) | 2008-04-14 | 2012-04-10 | Netlist, Inc. | Circuit providing load isolation and noise reduction |
US9128632B2 (en) | 2009-07-16 | 2015-09-08 | Netlist, Inc. | Memory module with distributed data buffers and method of operation |
JP2011029535A (en) * | 2009-07-29 | 2011-02-10 | Elpida Memory Inc | Semiconductor device |
CN103809708A (en) | 2012-11-07 | 2014-05-21 | 辉达公司 | Panel electronic device, auxiliary heat dissipating device of panel electronic device and assembly of panel electronic device and auxiliary heat dissipating device |
CN110428855B (en) | 2013-07-27 | 2023-09-22 | 奈特力斯股份有限公司 | Memory module with local synchronization |
EP3058571A1 (en) | 2013-10-15 | 2016-08-24 | Rambus Inc. | Load reduced memory module |
US9954557B2 (en) * | 2014-04-30 | 2018-04-24 | Microsoft Technology Licensing, Llc | Variable width error correction |
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Cited By (122)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020004893A1 (en) * | 2000-01-25 | 2002-01-10 | Nai-Shung Chang | Feedback system for accomodating different memory module loading |
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DE10120418A1 (en) * | 2001-04-26 | 2002-11-07 | Giga Byte Technology Co | Common module for DDR SDRAM and SDRAM, has terminators connected to common module to output termination voltage and controller to transmit common/address and data signals to common module |
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US20100191880A1 (en) * | 2004-03-08 | 2010-07-29 | Samsung Electronics Co., Ltd. | Memory module capable of improving the integrity of signals transmitted through a data bus and a command/address bus, and a memory system including the same |
US20080133797A1 (en) * | 2004-07-30 | 2008-06-05 | International Business Machines Corporation | System, method and storage medium for a multi-mode memory buffer device |
US20070288679A1 (en) * | 2004-07-30 | 2007-12-13 | International Business Machines Corporation | 276-pin buffered memory module with enhanced fault tolerance and a performance-optimized pin assignment |
US7765368B2 (en) | 2004-07-30 | 2010-07-27 | International Business Machines Corporation | System, method and storage medium for providing a serialized memory interface with a bus repeater |
US7551468B2 (en) * | 2004-07-30 | 2009-06-23 | International Business Machines Corporation | 276-pin buffered memory module with enhanced fault tolerance |
US20060023482A1 (en) * | 2004-07-30 | 2006-02-02 | International Business Machines Corporation | 276-Pin buffered memory module with enhanced fault tolerance |
US7539800B2 (en) | 2004-07-30 | 2009-05-26 | International Business Machines Corporation | System, method and storage medium for providing segment level sparing |
US7224595B2 (en) * | 2004-07-30 | 2007-05-29 | International Business Machines Corporation | 276-Pin buffered memory module with enhanced fault tolerance |
US7539810B2 (en) | 2004-07-30 | 2009-05-26 | International Business Machines Corporation | System, method and storage medium for a multi-mode memory buffer device |
US7529112B2 (en) * | 2004-07-30 | 2009-05-05 | International Business Machines Corporation | 276-Pin buffered memory module with enhanced fault tolerance and a performance-optimized pin assignment |
US20060026349A1 (en) * | 2004-07-30 | 2006-02-02 | International Business Machines Corporaiton | System, method and storage medium for providing a serialized memory interface with a bus repeater |
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